Question: Which paintings are depecting Isaac Newton?
Paraphrase: What are the names of paintings representing Isaac Newton?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P180 wd:Q935 . ?sbj wdt:P31 wd:Q3305213 } 
Answer: Newton, Portrait of Isaac Newton, Sir Isaac Newton, Sir Isaac Newton, Isaac Newton, Isaac Newton, Profile Portrait of Isaac Newton